Doctor profile · Federal record

Dr. Joseph Grassino, DMS, PA-C

Surgical Physician Assistant (CMS: Physician Assistant) · Medical Physician Assistant · Chesterfield, MO

  • NPI 1215202510
  • Accepts Medicare
  • 15 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
14561 N Outer 40 RD Ste 201
Chesterfield, MO 630175703
(314) 881-4280
fax (314) 881-4296
Mailing address
58 Verdant View Manor CT
Wentzville, MO 633854995

Credentials & registration

NPPES · NUCC
NPI registered
March 2012 — 14 yrs on file
Profile last updated
October 21, 2024
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
363AS0400X — NUCC code
State license (1)
Missouri #2012008459

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1215202510. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,519
Distinct HCPCS
3
Medicare allowed
$164,509
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 2,254 328 $65
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 217 209 $69
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 48 16 $41

In context: peer comparison

Among 1 peers in Chesterfield Surgical Physician Assistant, average services per provider: 839. This provider delivers 3.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$73
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
E.R. Squibb & Sons, L.L.C. 2 $41.76
Abbvie INC. 1 $31.12

By nature of payment

Food and Beverage
$73

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Joseph Grassino's medical specialty?
Dr. Joseph Grassino practices Surgical Physician Assistant in Chesterfield, MO.
Where does Dr. Joseph Grassino practice?
Dr. Joseph Grassino practices at 14561 N Outer 40 RD Ste 201, Chesterfield, MO 630175703. Office phone: 3148814280.
What is Dr. Joseph Grassino's NPI?
Dr. Joseph Grassino's National Provider Identifier (NPI) is 1215202510, issued by NPPES.
Does Dr. Joseph Grassino accept Medicare assignment?
Yes. Dr. Joseph Grassino accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joseph Grassino commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low level of medical decision making (HCPCS 99221); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.